diff --git a/web/app/package.json b/web/app/package.json
index e52ba18f7ee86..c100a13b81144 100644
--- a/web/app/package.json
+++ b/web/app/package.json
@@ -32,7 +32,6 @@
     "sinon-stub-promise": "^4.0.0",
     "webpack": "^3.5.6",
     "webpack-dev-server": "^2.7.1",
-    "webpack-merge": "^4.1.2",
     "whatwg-fetch": "^2.0.3"
   },
   "devDependencies": {
diff --git a/web/app/webpack.base.js b/web/app/webpack.base.js
deleted file mode 100644
index 6870d5695a04b..0000000000000
--- a/web/app/webpack.base.js
+++ /dev/null
@@ -1,41 +0,0 @@
-/* global require, module, __dirname */
-
-const path = require('path');
-
-module.exports = {
-  entry: './js/index.js',
-  output: {
-    path: path.resolve(__dirname, 'dist'),
-    publicPath: 'dist/',
-    filename: 'index_bundle.js'
-  },
-  devtool: 'cheap-module-source-map',
-  externals: {
-    cheerio: 'window',
-    'react/addons': 'react',
-    'react/lib/ExecutionEnvironment': 'react',
-    'react/lib/ReactContext': 'react',
-    'react-addons-test-utils': 'react-dom',
-  },
-  module: {
-    rules: [
-      {
-        test: /\.css$/,
-        use: [
-          'style-loader',
-          { loader: 'css-loader', options: { importLoaders: 1, minimize: true } },
-          'postcss-loader'
-        ]
-      },
-      {
-        test: /\.(png|jpg|gif|eot|svg|ttf|woff|woff2)$/,
-        use: [
-          {
-            loader: 'file-loader',
-            options: { publicPath: 'dist/' }
-          }
-        ]
-      }
-    ]
-  }
-}
diff --git a/web/app/webpack.config.js b/web/app/webpack.config.js
index 241c90221f049..8b250ae40d1fa 100644
--- a/web/app/webpack.config.js
+++ b/web/app/webpack.config.js
@@ -1,5 +1,55 @@
 /* global require, module, __dirname */
 
-module.exports = process.env.NODE_ENV === 'production'
-  ? require('./webpack.prod.js')
-  : require('./webpack.dev.js')
+const path = require('path');
+
+module.exports = {
+  entry: './js/index.js',
+  output: {
+    path: path.resolve(__dirname, 'dist'),
+    publicPath: 'dist/',
+    filename: 'index_bundle.js'
+  },
+  devtool: 'cheap-module-source-map',
+  externals: {
+    cheerio: 'window',
+    'react/addons': 'react',
+    'react/lib/ExecutionEnvironment': 'react',
+    'react/lib/ReactContext': 'react',
+    'react-addons-test-utils': 'react-dom',
+  },
+  module: {
+    rules: [
+      {
+        test: /\.jsx?$/,
+        exclude: /node_modules/,
+        use: [
+          'babel-loader',
+          {
+            loader: 'eslint-loader',
+            options: {
+              fix: true,
+              emitWarning: true
+            }
+          }
+        ]
+      },
+      {
+        test: /\.css$/,
+        use: [
+          'style-loader',
+          { loader: 'css-loader', options: { importLoaders: 1, minimize: true } },
+          'postcss-loader'
+        ]
+      },
+      {
+        test: /\.(png|jpg|gif|eot|svg|ttf|woff|woff2)$/,
+        use: [
+          {
+            loader: 'file-loader',
+            options: { publicPath: 'dist/' }
+          }
+        ]
+      }
+    ]
+  }
+}
diff --git a/web/app/webpack.dev.js b/web/app/webpack.dev.js
deleted file mode 100644
index ac6ed220dbda2..0000000000000
--- a/web/app/webpack.dev.js
+++ /dev/null
@@ -1,25 +0,0 @@
-/* global require, module, __dirname */
-
-const merge = require('webpack-merge');
-const baseWebpackConfig = require('./webpack.base');
-
-module.exports = merge(baseWebpackConfig, {
-  module: {
-    rules: [
-      {
-        test: /\.jsx?$/,
-        exclude: /node_modules/,
-        use: [
-          'babel-loader',
-          {
-            loader: 'eslint-loader',
-            options: {
-              fix: true,
-              emitWarning: true
-            }
-          }
-        ]
-      }
-    ]
-  }
-});
diff --git a/web/app/webpack.prod.js b/web/app/webpack.prod.js
deleted file mode 100644
index 605ebe78a650f..0000000000000
--- a/web/app/webpack.prod.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/* global require, module, __dirname */
-
-const merge = require('webpack-merge');
-const baseWebpackConfig = require('./webpack.base');
-
-module.exports = merge(baseWebpackConfig, {
-  module: {
-    rules: [
-      {
-        test: /\.jsx?$/,
-        exclude: /node_modules/,
-        use: [
-          'babel-loader',
-          {
-            loader: 'eslint-loader',
-            options: {
-              fix: true
-            }
-          }
-        ]
-      }
-    ]
-  }
-});
diff --git a/web/app/yarn.lock b/web/app/yarn.lock
index b344d0d00ee7e..12a956e2c98e7 100644
--- a/web/app/yarn.lock
+++ b/web/app/yarn.lock
@@ -7620,12 +7620,6 @@ webpack-dev-server@^2.7.1:
     webpack-dev-middleware "^1.11.0"
     yargs "^6.6.0"
 
-webpack-merge@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-4.1.2.tgz#5d372dddd3e1e5f8874f5bf5a8e929db09feb216"
-  dependencies:
-    lodash "^4.17.5"
-
 webpack-sources@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"